CN108349336A - Control loop for the pressure for controlling tire wheel - Google Patents

Control loop for the pressure for controlling tire wheel Download PDF

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Publication number
CN108349336A
CN108349336A CN201680065953.3A CN201680065953A CN108349336A CN 108349336 A CN108349336 A CN 108349336A CN 201680065953 A CN201680065953 A CN 201680065953A CN 108349336 A CN108349336 A CN 108349336A
Authority
CN
China
Prior art keywords
volume
circuit
pressure
guiding valve
control loop
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201680065953.3A
Other languages
Chinese (zh)
Other versions
CN108349336B (en
Inventor
A·贝内维利
R·默尔塞利
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Keisnew Netherlands Industrial (Harbin) Machinery Co.,Ltd.
Original Assignee
CNH China Management Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CNH China Management Co Ltd filed Critical CNH China Management Co Ltd
Publication of CN108349336A publication Critical patent/CN108349336A/en
Application granted granted Critical
Publication of CN108349336B publication Critical patent/CN108349336B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/001Devices for manually or automatically controlling or distributing tyre pressure whilst the vehicle is moving
    • B60C23/003Devices for manually or automatically controlling or distributing tyre pressure whilst the vehicle is moving comprising rotational joints between vehicle-mounted pressure sources and the tyres
    • B60C23/00309Devices for manually or automatically controlling or distributing tyre pressure whilst the vehicle is moving comprising rotational joints between vehicle-mounted pressure sources and the tyres characterised by the location of the components, e.g. valves, sealings, conduits or sensors
    • B60C23/00318Devices for manually or automatically controlling or distributing tyre pressure whilst the vehicle is moving comprising rotational joints between vehicle-mounted pressure sources and the tyres characterised by the location of the components, e.g. valves, sealings, conduits or sensors on the wheels or the hubs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/001Devices for manually or automatically controlling or distributing tyre pressure whilst the vehicle is moving
    • B60C23/003Devices for manually or automatically controlling or distributing tyre pressure whilst the vehicle is moving comprising rotational joints between vehicle-mounted pressure sources and the tyres
    • B60C23/00354Details of valves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/001Devices for manually or automatically controlling or distributing tyre pressure whilst the vehicle is moving
    • B60C23/003Devices for manually or automatically controlling or distributing tyre pressure whilst the vehicle is moving comprising rotational joints between vehicle-mounted pressure sources and the tyres
    • B60C23/00372Devices for manually or automatically controlling or distributing tyre pressure whilst the vehicle is moving comprising rotational joints between vehicle-mounted pressure sources and the tyres characterised by fluid diagrams
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/10Arrangement of tyre-inflating pumps mounted on vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C5/00Inflatable pneumatic tyres or inner tubes
    • B60C5/02Inflatable pneumatic tyres or inner tubes having separate inflatable inserts, e.g. with inner tubes; Means for lubricating, venting, preventing relative movement between tyre and inner tube
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C5/00Inflatable pneumatic tyres or inner tubes
    • B60C5/20Inflatable pneumatic tyres or inner tubes having multiple separate inflatable chambers
    • B60C5/22Inflatable pneumatic tyres or inner tubes having multiple separate inflatable chambers the chambers being annular

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Measuring Fluid Pressure (AREA)
  • Regulating Braking Force (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Control Of Fluid Pressure (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)

Abstract

A kind of control loop for controlling the pressure of tire wheel, wherein tire wheel include:Wheel rim (R);Inner tube (S) can be fixed to wheel rim (R) and encapsulate the first volume (A);Tire (T) is fixed to the second volume (B) of wheel rim (R), the tire encapsulating inner tube (S) and inner tube (S) outside.Control loop includes:Controlled pressure circuit (C), can be connected to compressor;First line (11) can be connected to controlled pressure circuit (C) and be connected to the first volume (A) to introduce air into the first volume (A);Second circuit (12) can be connected to controlled pressure circuit (C) and be connected to the second volume (B) to introduce air into the second volume (B).Control loop further includes the first guiding valve (V1), it is threeway two-position valve, with first position and the second position, controlled pressure circuit (C) is connected to the first line (11) in the first position, and controlled pressure circuit (C) is connected to second circuit (12) in the second position.First guiding valve (V1) generally remains in the first position and if the pressure in first volume (A) overcomes scheduled pressure, first guiding valve (V1) to can switch in the second position.

Description

Control loop for the pressure for controlling tire wheel
Technical field
The present invention relates to the control loops of the pressure for controlling tire wheel.
The present invention is particularly useful in executing the operation machine and tractor of field operation and road dataway operation.
Background technology
Smaller tire pressure is preferred during field operates, and tire preferably larger in road dataway operation and during advancing Pressure is to promote the comfort level of driver and reduce oil consumption.
In order to reduce inflation/deflation number, certain wheels can be used comprising inner tube encapsulates illusory volume (dummy Volume) and it is attached to tire inner rim.In general, inner tube inflates and keeps being in high pressure.In inside tires and in inner tube External volume alternatively inflation/deflation with promoted/reduce tire pressure.In this way, only limited volume (is much smaller than tire The total measurement (volume) of encapsulating) inflation/deflation is needed, it is significantly decreased in this way for the time needed for both operations.
Described to be controlled by multiple circuits with wheel, the circuit includes at least one line for making inner tube inflation/deflation Road and at least one independent circuit for making tire capacity inflation/deflation.Such circuit is extremely complex and is difficult to pipe Reason, and it also requires using complex rotation connector, the connector must be allowed for the air supply on two lines road.Wheel and control can be used Another defect in circuit processed is:They are extremely hard to use on without specially designed existing machine.
Invention content
The object of the present invention is to provide control loop, the control loop to manage wheel in a manner of simple and is effective Tire pressure.
The advantages of circuit according to the present invention, is to need single supply lines.
The another advantage in circuit according to the present invention is not needing any type electrical/electronic controller.
Circuit according to the present invention further an advantage is that it can almost be used on each existing machine.
Description of the drawings
Further characteristic of the invention and advantage will be preferably but and nonexclusive from two of following description and the present invention Embodiment figure in preferably show, wherein:
Fig. 1 shows the first embodiment in circuit according to the present invention;
Fig. 2 shows the second embodiments in circuit according to the present invention.
Specific implementation mode
Referring to Fig.1, control loop is connected to the tire wheel for including wheel rim (R).Encapsulate the inner tube (S) of the first volume (A) forever It is securable on the wheel rim (R) long or by shape connector, which generates according to the inflation of inner tube (S).Wheel Tire (T) is equally fixed to the second volume (B) of wheel rim (R), the tire encapsulating inner tube (S) and inner tube (S) outside.
Advantageously, inner tube (S) is made of fabric, such as the fabric of air bag.In this way, inner tube is flexible but base This is extendable, and desired shape is presented in when it is designed to inflate under the maximum pressure.Preferably, inner tube designs At the volume of not completely filled tire (T), so that the line of tire (T) Free Transform under operating conditions.
Rigid structure, covering inner tube (S), so that inner tube (S) is not substantially extending can be provided.
Control loop includes controlled pressure circuit (C), can be connected to compressor or is totally connected to compressed air source, example The compressor being such as usually located on operation machine.
First line (11) can be connected to controlled pressure circuit (C) and be connected to the first volume (A) to introduce air into In first volume (A).
Second circuit (12) can be connected to controlled pressure circuit (C) and be connected to the second volume (B) to introduce air into In second volume (B).
Control loop further includes the first guiding valve (V1), is threeway two-position valve, has first position and the second position, Controlled pressure circuit (C) is connected to first line (11) in the first position, the controlled pressure circuit in the second position (C) it is connected to the second circuit (12).
First guiding valve (V1) generally remains in first position.
If the pressure in the first volume (A) overcomes scheduled pressure, the first guiding valve (V1) to can switch to the second position In.
Using the first guiding valve (V1) so that the first volume (A) and the second volume (B) can pass through single controlled pressure line It individually inflates on road (C).Single controlled pressure circuit (C) can be by ordinary wheel (that is, by not being one of machine or tractor Point device and the wheel inflated) charge valve or be connected to the circuit of tire pressure control system (if machine or tractor are such as This setting) control.
The embodiment of Fig. 1 works in a manner described below.
First guiding valve (V1) is normally opened, that is, is maintained in first position for example, by spring.In this case, it is supplied to The air of controlled pressure circuit (C) makes the first volume (A) inflate by first line (11).When the internal pressure of the first volume (A) When power reaches predetermined value, it is sufficient to the power being maintained at guiding valve in first position, the first guiding valve (V1) be overcome to be switched to the second position In and controlled pressure circuit (C) be arranged to and the second circuit (12) unicom, such second volume (B) inflation.Preferably, first Guiding valve (V1) is oriented to (pilot) in the second position by the pressure in first line (11).
Advantageously, outlet guiding valve (V2) is connected to the second circuit (12) and to egress line (D).Exporting guiding valve (V2) is Two logical two-position valves and have first position and the second position, the second circuit (12) is disconnected in the first position and is gone out The company between the second circuit (12) and egress line (D) is realized in connection between mouth line road (D) in the second position It connects.The outlet guiding valve (V2) generally remains in first position, such as passes through spring.If the pressure in the second volume (B) Overcome scheduled pressure, then exports guiding valve (V2) and can switch in the second position.
Here is to export the function of guiding valve (V2).
When the pressure in the second volume (B) reaches scheduled pressure value, it is sufficient to overcome and guiding valve is maintained in first position Power, then export guiding valve (V2) and be switched in the second position.In this case, the second circuit (12) is arranged to and egress line (D) inflation of unicom and the second volume (B) stops.Preferably outlet guiding valve is directed to by the pressure in the second circuit (12) In the second position.
Preferably outlet guiding valve (V2) is provided with regulating mechanism, and can adjust makes guiding valve switch to second from first position Pressure needed for position.Preferably, the regulating mechanism includes the screw rod acted on spring, and the spring is by guiding valve towards first Position pushes.In this way, in order to make the second volume (B) deflate, then acts on regulating mechanism and reduce guiding valve from first position The pressure needed for the second position is switched to be sufficient.
Control loop can be provided at least the first check valve (C1) and/or the second check valve (C2), this is first unidirectional Valve arranges that second check valve (C2) is along first line to prevent from flowing back from the first guiding valve (V1) along controlled pressure circuit (C) (11) it arranges to prevent from flowing back from the first volume (A).
In a second embodiment, as shown in Fig. 2, control loop includes the second guiding valve (V3) and third guiding valve (V4), this Two guiding valves are arranged in along the second circuit (12) between the first guiding valve (V1) and the second volume (B), and the third guiding valve is along the second line Road (12) is arranged between the second guiding valve (V3) and the second volume (B).
Second guiding valve (V3) is threeway two-position valve, with first position and the second position, in the first position Second volume (B) is connected to egress line (D), the second circuit (12) is connected to the second volume in the second position (B)。
Third guiding valve (V4) is two logical two-position valves, with first position and the second position, in the first position The valve disconnects the second circuit (12), and in the second position, the valve connects the second circuit (12).
Second guiding valve and third guiding valve are usually held in their first position.
If the pressure in the second circuit (12) overcomes the first predetermined pressure, third guiding valve (V4) to can switch to second In setting.
If the pressure in the second circuit (12) overcomes the second predetermined pressure higher than first predetermined pressure, second Guiding valve (V3) can switch in the second position.
The control loop of second embodiment works in a manner described below.
When all guiding valves (V1, V3, V4) are all in their first position, controlled pressure circuit is supplied air to (C), inner tube (S) is made to inflate by first line (11).When the pressure in inner tube (S) reaches predetermined value, that is, it is expected the blowing pressure When, the first guiding valve (V1) is switched in the second position, makes controlled pressure circuit (C) and the second circuit (12) unicom.And at this In kind situation, the first guiding valve (V1) is directed to by the pressure in first line (11) in the second position.Preferably, the second guiding valve And third guiding valve is directed to by the pressure in the second circuit (12) between the first guiding valve (V1) and the second guiding valve (V3) In their second position.
When at the second guiding valve (V3) in the second position, the pressure in the second circuit (12) increases.When the pressure overcomes When the first scheduled pressure value, third guiding valve (V4) is switched in the second position.Pressure in second circuit (12) continues to increase simultaneously And when reaching the second scheduled pressure value, the second guiding valve (V3) is also switched in the second position.
When the second guiding valve and third guiding valve (V3, V4) are all in their second position, air passes through the second circuit Supplied to the second volume (B) and tire (T) inflation.
When the pressure by pressure sensor in the tire (T) of monitoring (not shown in FIG. 2) reaches desired value, air Supply stops and the second guiding valve and third guiding valve (V3, V4) are switched in their first position, disconnects the second volume (B).First guiding valve (V1) is kept in the second position, but due to the list in first line (11) by the pressure in inner tube (S) Presence to valve (C2), inner tube (S) cannot deflate anyway.How it makes inner tube deflate
In the above case said, when the first guiding valve is in the second position and the second guiding valve and third guiding valve (V3, V4) at When in first position, if air is supplied to the pressure more than the first predetermined pressure but less than the second predetermined pressure by pressure control Line of force road (C), then third guiding valve (V4) is switched in the second position, while the second guiding valve (V3) is maintained in first position. In these situations, the second volume (B) is arranged to and egress line (D) unicom and bleeds a tire.Therefore, the second of the present invention In embodiment, tire (T) can not only be made to inflate by single controlled pressure circuit (C), additionally it is possible to pass through the controlled pressure line Road (C) makes tire (T) deflate with pressure appropriate.
It is especially to have that the control loop of second embodiment is combined with the tire pressure monitoring system being arranged in some operation machines It is advantageous.As known in technical field, such monitoring system includes the pressure sensing taken turns for running each of machine Device and rotation seal joint for each taking turns, the pressure sensor are assembled into the pressure detected in corresponding tire.Each Rotation seal joint, which is generally arranged in wheel hub, and it is designed to enables wheel to rotate and is designed to make inner tyre volume With air supply circuit unicom, the compressor being then connected on operation machine.Control unit is based on operating condition and each The signal of pressure sensor indicates the inflation or deflation of each single wheel hub.
The control loop of second embodiment can be attached to wheel rim (R) and be inserted into rotary joint and the first, second appearance Between product (A, B).Rotary joint can be with so designed that provide single controlled pressure circuit.In addition, as explained, being not required to Additional electrical/electronic components are installed and come actuation control circuit.

Claims (5)

1. a kind of control loop for controlling the pressure of tire wheel, wherein tire wheel include:
Wheel rim (R);
Inner tube (S), the first volume of encapsulating (A);
Tire (T) is fixed to the second volume of wheel rim (R), tire (T) the encapsulating inner tube (S) and inner tube (S) outside (B);
Control loop includes:
Controlled pressure circuit (C), can be connected to compressor;
First line (11) can be connected to controlled pressure circuit (C) and be connected to the first volume (A) to introduce air into In one volume (A);
Second circuit (12) can be connected to controlled pressure circuit (C) and be connected to the second volume (B) to introduce air into In two volumes (B);
It is characterized in that:
The control loop includes the first guiding valve (V1), is threeway two-position valve, has first position and the second position, in institute It states controlled pressure circuit (C) in first position and is connected to the first line (11), the controlled pressure line in the second position Road (C) is connected to second circuit (12);
First guiding valve (V1) generally remains in the first position;
If the pressure in first volume (A) overcomes scheduled pressure, first guiding valve (V1) to can switch to described In the second position;
Control loop includes outlet guiding valve (V2), is connected to second circuit (12) and egress line (D), the outlet Guiding valve (V2) is two logical two-position valves and has first position and the second position, and the second circuit is disconnected in the first position (12) and the connection between egress line (D) the second circuit (12) and egress line (D), are realized in the second position Between connection, the outlet guiding valve (V2) generally remains in first position, if the pressure gram in second volume (B) Scheduled pressure is taken, then the outlet guiding valve (V2) can switch in the second position.
2. control loop according to claim 1, wherein first guiding valve (V1) passes through in the first line (11) Pressure be directed in the second position.
3. control loop according to claim 1, wherein the outlet guiding valve passes through the pressure in second circuit (12) Power is directed in the second position.
4. control loop according to claim 1, including at least the first check valve (C1) and/or the second check valve (C2), which arranges that this second to prevent from flowing back from first guiding valve (V1) along the controlled pressure circuit (C) Check valve is arranged along the first line (11) to prevent from flowing back from first volume (A).
5. a kind of wheel, including:
Wheel rim (R);
Inner tube (S), the first volume of encapsulating (A);
Tire (T) is fixed to the second volume of wheel rim (R), tire (T) the encapsulating inner tube (S) and inner tube (S) outside (B);
Charge valve is used to introduce air into the first volume (A) and the second volume (B);
It is characterized by comprising according to one control loop in Claims 1-4, which is connected to the wheel rim (R) it and is inserted between the charge valve and first volume (A), the second volume (B).
CN201680065953.3A 2015-11-13 2016-11-10 Control circuit for controlling the pressure of a tyre wheel Active CN108349336B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITUB2015A005570 2015-11-13
ITUB2015A005570A ITUB20155570A1 (en) 2015-11-13 2015-11-13 A control circuit to control the pressure of a pneumatic wheel.
PCT/EP2016/077321 WO2017081188A1 (en) 2015-11-13 2016-11-10 A control circuit for controlling the pressure of a tire wheel.

Publications (2)

Publication Number Publication Date
CN108349336A true CN108349336A (en) 2018-07-31
CN108349336B CN108349336B (en) 2020-04-21

Family

ID=55315672

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201680065953.3A Active CN108349336B (en) 2015-11-13 2016-11-10 Control circuit for controlling the pressure of a tyre wheel

Country Status (6)

Country Link
US (1) US20190054779A1 (en)
EP (1) EP3374203B1 (en)
CN (1) CN108349336B (en)
BR (1) BR112018009692B1 (en)
IT (1) ITUB20155570A1 (en)
WO (1) WO2017081188A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUB20155567A1 (en) * 2015-11-13 2017-05-13 Cnh Ind Italia Spa A control circuit to control the pressure of a pneumatic wheel.

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3542110A (en) * 1968-04-01 1970-11-24 Goodyear Tire & Rubber Valve means for multi-chamber pneumatic tire
EP0018831A1 (en) * 1979-05-03 1980-11-12 Uniroyal, Inc. Tire assembly having a run-flat capability and insert for the assembly
GB2258195A (en) * 1991-07-27 1993-02-03 Robin Hamilton Pneumatic tyre assembly
EP1000777A2 (en) * 1998-11-16 2000-05-17 Gerrit Jan Dijk Tyre and pressure change system with such a tyre
EP1354726A1 (en) * 2002-03-19 2003-10-22 DaimlerChrysler AG Vehicle wheel with emergency tube inside the tire
CN101348056A (en) * 2007-07-18 2009-01-21 东洋橡胶工业株式会社 Pneumatic tire assembly
CN102328559A (en) * 2011-06-02 2012-01-25 浙江吉利汽车研究院有限公司 System and apparatus for tire pressure control
CN103987544A (en) * 2011-12-14 2014-08-13 国际商业机器公司 Variable Friction Tires

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2442917A1 (en) * 1974-09-07 1976-03-18 Gresch Guenter Vehicle pneumatic tubeless tyre - has upper tyre section containing air inflatable sponge filling
DE4317324A1 (en) * 1993-05-25 1994-12-01 Schmidt Horst Emergency running device for motor vehicle tyres
US20100096056A1 (en) * 2008-10-21 2010-04-22 Joshua David Smith Re-inflatable inner tube

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3542110A (en) * 1968-04-01 1970-11-24 Goodyear Tire & Rubber Valve means for multi-chamber pneumatic tire
EP0018831A1 (en) * 1979-05-03 1980-11-12 Uniroyal, Inc. Tire assembly having a run-flat capability and insert for the assembly
GB2258195A (en) * 1991-07-27 1993-02-03 Robin Hamilton Pneumatic tyre assembly
EP1000777A2 (en) * 1998-11-16 2000-05-17 Gerrit Jan Dijk Tyre and pressure change system with such a tyre
EP1354726A1 (en) * 2002-03-19 2003-10-22 DaimlerChrysler AG Vehicle wheel with emergency tube inside the tire
CN101348056A (en) * 2007-07-18 2009-01-21 东洋橡胶工业株式会社 Pneumatic tire assembly
CN102328559A (en) * 2011-06-02 2012-01-25 浙江吉利汽车研究院有限公司 System and apparatus for tire pressure control
CN103987544A (en) * 2011-12-14 2014-08-13 国际商业机器公司 Variable Friction Tires

Also Published As

Publication number Publication date
BR112018009692B1 (en) 2021-09-14
US20190054779A1 (en) 2019-02-21
EP3374203A1 (en) 2018-09-19
EP3374203B1 (en) 2019-08-28
WO2017081188A1 (en) 2017-05-18
CN108349336B (en) 2020-04-21
ITUB20155570A1 (en) 2017-05-13
BR112018009692A8 (en) 2019-02-26
BR112018009692A2 (en) 2018-11-06

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Effective date of registration: 20220406

Address after: 150060 No. 78, Songhua Road, core area of Hanan industrial new town, Harbin, Heilongjiang

Patentee after: Keisnew Netherlands Industrial (Harbin) Machinery Co.,Ltd.

Address before: 200131 10th floor, No.2 Maji Road, Waigaoqiao Free Trade Zone, Pudong New Area, Shanghai

Patentee before: Cnh (CHINA) Management Co.,Ltd.

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